{"id":2222684,"url":"http://patchwork.ozlabs.org/api/1.2/patches/2222684/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260413125040.3842686-1-marcandre.lureau@redhat.com/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/1.2/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260413125040.3842686-1-marcandre.lureau@redhat.com>","list_archive_url":null,"date":"2026-04-13T12:50:40","name":"target/i386: fix strList leak in x86_cpu_get_unavailable_features","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"9243070624fae8a16b323da96b20265716143bf6","submitter":{"id":66774,"url":"http://patchwork.ozlabs.org/api/1.2/people/66774/?format=json","name":"Marc-André Lureau","email":"marcandre.lureau@redhat.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260413125040.3842686-1-marcandre.lureau@redhat.com/mbox/","series":[{"id":499696,"url":"http://patchwork.ozlabs.org/api/1.2/series/499696/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=499696","date":"2026-04-13T12:50:40","name":"target/i386: fix strList leak in x86_cpu_get_unavailable_features","version":1,"mbox":"http://patchwork.ozlabs.org/series/499696/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2222684/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2222684/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=Yl1TzQDO;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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Mon, 13 Apr 2026 08:50:56 -0400","from mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com\n (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by\n relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3,\n cipher=TLS_AES_256_GCM_SHA384) id us-mta-304-WHhmkbQoMJmN3KLXy2rivg-1; Mon,\n 13 Apr 2026 08:50:47 -0400","from mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com\n (mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.4])\n (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest\n SHA256)\n (No client certificate requested)\n by mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS\n id 23B331800365; Mon, 13 Apr 2026 12:50:46 +0000 (UTC)","from localhost (unknown [10.44.24.6])\n by mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP\n id 7C13C30001A1; Mon, 13 Apr 2026 12:50:43 +0000 (UTC)"],"DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;\n s=mimecast20190719; t=1776084650;\n h=from:from:reply-to:subject:subject:date:date:message-id:message-id:\n to:to:cc:cc:mime-version:mime-version:content-type:content-type:\n content-transfer-encoding:content-transfer-encoding;\n bh=0rRDfMXaokWX4+ddlLtzyxWBCIzeGuZdGDY33wKrtzI=;\n b=Yl1TzQDODpDVxC4hKtsnG43mwwOWpGfFm06YP8MJ6MhWE3jJABqcHSuMrwmkcDZ861PT6/\n BLFiDN2LpiMO+t7RoKxGJpO2Kh42A1oa7enhFAe8xK7mIRFw8t90NTGTtvBC4Hv3Waq83i\n wCW+arR9LNFjns8urUhTynAeKQlL0dI=","X-MC-Unique":"WHhmkbQoMJmN3KLXy2rivg-1","X-Mimecast-MFC-AGG-ID":"WHhmkbQoMJmN3KLXy2rivg_1776084646","From":"marcandre.lureau@redhat.com","To":"qemu-devel@nongnu.org","Cc":"peter.maydell@linaro.org,\n =?utf-8?q?Marc-Andr=C3=A9_Lureau?= ,\n Paolo Bonzini , Zhao Liu ","Subject":"[PATCH] target/i386: fix strList leak in\n x86_cpu_get_unavailable_features","Date":"Mon, 13 Apr 2026 16:50:40 +0400","Message-ID":"<20260413125040.3842686-1-marcandre.lureau@redhat.com>","MIME-Version":"1.0","Content-Type":"text/plain; charset=UTF-8","Content-Transfer-Encoding":"8bit","X-Scanned-By":"MIMEDefang 3.4.1 on 10.30.177.4","Received-SPF":"pass client-ip=170.10.133.124;\n envelope-from=marcandre.lureau@redhat.com;\n helo=us-smtp-delivery-124.mimecast.com","X-Spam_score_int":"-25","X-Spam_score":"-2.6","X-Spam_bar":"--","X-Spam_report":"(-2.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.54,\n DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=0.001,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001,\n SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no","X-Spam_action":"no action","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"qemu development ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"content":"From: Marc-André Lureau \n\nThe result list built by x86_cpu_list_feature_names() was never freed\nafter being visited, causing a memory leak detected by ASan.\n(the getter visitor is VISITOR_OUTPUT kind and doesn't own data)\n\nFixes: 506174bf8219 (\"i386: \"unavailable-features\" QOM property\")\nSigned-off-by: Marc-André Lureau \n---\n target/i386/cpu.c | 1 +\n 1 file changed, 1 insertion(+)","diff":"diff --git a/target/i386/cpu.c b/target/i386/cpu.c\nindex c6fd1dc00eb..9d126600c05 100644\n--- a/target/i386/cpu.c\n+++ b/target/i386/cpu.c\n@@ -7842,6 +7842,7 @@ static void x86_cpu_get_unavailable_features(Object *obj, Visitor *v,\n \n x86_cpu_list_feature_names(xc->filtered_features, &result);\n visit_type_strList(v, \"unavailable-features\", &result, errp);\n+ qapi_free_strList(result);\n }\n \n /* Print all cpuid feature names in featureset\n","prefixes":[]}